Refrigerator shelf support



FIG. 1 is a front view of a refrigerator shelf support according to a first embodiment showing my new ornamental design;

FIG. 2 is a front perspective view thereof, with part of the unclaimed left refrigerator side wall being cut away for clarity;

FIG. 3 is an enlarged cross-sectional view taken along lines 3-3 of FIG. 2;

FIG. 4 is a front view of a refrigerator shelf support according to a third embodiment showing my new ornamental design, with parts of an unclaimed cover and drawer being cut away to show the shelf support extends behind those unclaimed elements; and,

FIG. 5 is a front perspective view thereof, with part of the unclaimed left refrigerator side wall being cut away for clarity.

The broken lines of the refrigerator shelf support and refrigeratory, etc., show surrounding structure or environment and do not form part of the claimed design.

The dotted lines represent the boundary between claimed and unclaimed subject matter and do not form a part of the claimed design. 

The ornamental design for a refrigerator shelf support, as shown and described. 